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X-RAYS used in everyday detection of diseases and broken bones are responsible for about 700 cases of cancer a year, according to the most detailed study to date.

The research showed that 0.6 per cent of the 124,000 patients found to have cancer each year can attribute the disease to X-ray exposure. Diagnostic X-rays, which are used in conventional radiography and imaging techniques such as CT scans, are the largest man-made source of radiation exposure to the general population.Although such X-rays provide great benefits, it is generally accepted that their use is associated with very small increases in cancer risk.

30 January 2004

Researchers from DENTAL X-RAY EXAMINATIONSOxford University and Cancer Research UK estimated the size of the risk based on the number of X-rays carried out in Britain and in 14 other countries.

According to their findings, published in the medical journal The Lancet, the results showed that X-rays accounted for 6 out of every 1,000 cases of cancer up to the age of 75, equivalent to 700 out of the 124,000 cases of cancer diagnosed each year.